Alfred d



(No Model.)

A. D. F. PARLEY.

TRANSMITTING'POWER BY COMPRESSED AIR. 1 Io .2.68 ,21-0. Patented Nov; 28, 1882 fi'i ywiy/a BY ATTORNEYS.

N. PETERS FhnmLium u hgr. Wlihingwn D. C.

UNITED STATES PATENT 01mins.

ALFRED D. F. FARLEY, OF LEAVENlVOBTH, KANSAS.

TRANSMITTING POWER COMPRESSED AIR.

' SPECIFICATION formingpart of Letters Patent No. 268,210, dated November 28, 1882.

Application filed December 23, 1881. (NomodcL) To all whom it may concern:

Be it known that I, ALFRED D. F. FARLEY of Leaven worth, in the county of Leaven worth and State of Kansas, have invented new and the distant engine and operated thereby.

he operation is as follows: The val ve g be ing weighted at sixty pounds, valve 6 open and valvef closed, andthe compressor set in motion, air is compressed in the pipe E. When by Compressed Air or other Fluids, of which the ollowing is a full, clear, and exact de- IO power by compressed air or other fluids in a (we heretofore experienced in using compressed I 5 continuous circuit, first from the compressor to the distant engine, and from thence back to the compressor, as hereinafter described and claimed.

Reference is to he had to the accompanying 2o drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in the several figures.

Figure 1 is a sectional plan view representi n g the engine to be operated. Fig. 2is a sec- 25 tional plan view showing the compressor and connections, and Fig. 3 is a detail plan, partly in section, showing the connection of the auxiliary air-pump with the return-pipe.

A A are the cylinders of a duplex air-com- 3o pressor, and B B are the steam-cylinders. This compressor may be of any ordinary construction, and operated by steam or water power. As shown, the inlet-valves a are in pressor consequently receives air at sixty pounds pressure and compresses it still further to any desired extent. Supposing that a working-pressure of sixty pounds is required, the

twenty pounds on the other, when working at full pressure Without expansion. if the cutoff is at half-stroke, with the pressures named, the air is fully expanded when the stroke is 35 b, thatconnect by a pipe, 0, and a pipe, d, provided with a hand-valve, e, is connected with one hood for inlet of atmospheric air to the pansion. Thus if the air in pipeE has a pressure of one hundred and twenty pounds per square inch, an effective pressure of sixty pounds will he obtained when the piston of the compressor has traveled one-thirdthe G is the distant engine, to be operated by 0 compressed air.

i is a pipe from the compressor Ato the valve-chest of engine 0.

F is the return-pipe from the engine to the inlet-pipe at of the compressor. 5 f is a hand-valve in pipe F. the same size. The pressure-valve gacts as a is a cross-pipe connecting the supply and regulator, which allows surplus air over what return pipes E F, and provided with a valve, is used to pass to the return-pipe, so that while 9, weighted in the manner of a safety-valve, to the quantity of air used by the engine may be 1 retain it closed.

o H is a small auxiliary air-pump, having its and uniformly.

outlet-pipe connected to pipe F, for supplying There is a great advantage in the return of air to take the place of that wasted by leakage. This pump may be located at the compressor and operated by the same power, or at pressor with the return-pipe, and the com- 70 variable the compressor may act constantly I I the air to the compressor, from the fact that atmospheric air is not being" continually taken into the compressor, and the moisture is thus excluded. The air returns in a cool and dry condition, and if the pipes are covered with non-conducting material it will be restored in compressed state at a temperature not exceeding the surrounding air. There is a further advantage that there will be little or no trouble from the formation of ice in using the air expansively.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- ,1. In an apparatus for transmitting power by compressed fluids, the combination, with the cylinders of a compressor and the distant engine, of a supply and return pipe connected together between the compressor and engine by a pipe provided with a safety-valve, substan- 20 tially as and for the purpose set forth.

2. In an apparatus for transmitting power by compressed fluids, the combination, with the cylinders AA of a compressor and distant engine 0, of the supply-pipe E,-the return-pipe F, provided. with the valve f, and the connecting-pipe G, provided with the weighted valve 9, substantially as and for the purpose set forth.

3. The regulating-valve g, combined with the supply and return pipes of the air-compressor and engine, substantially as shown and described.

4. The combination, with the return-pipe 1 provided with the valve f, and the air-inlet pipe (1-, provided with the valve 0, of the auxiliary air-pump H, connected to the said pipes between the valves substantially as and for the purpose set forth.

A. I). F. FARLEY.

\Vitnesses:

GEO. D. WALKER, U. SEDewIoK. 

